Acuminite
Krogh Andersen E, Ploug-Sorensen G, Leonardsen E
Zeitschrift fur Kristallographie 194 (1991) 221-227
The structure of acuminite, a strontium aluminium fluoride mineral
Locality: Ivigtut, Greenland
_database_code_amcsd 0010999
13.223 5.175 14.251 90 111.61 90 C2/c
atom     x     y      z Biso
Sr   .8305 .8232  .1586 1.11
Al   .4024 .4020  .4203  .62
F1   .8042 .0371  .3068  .97
F2   .6648 .0977  .0930 1.20
F3   .0236 .7910  .1577 1.09
F4   .8174 .9601 -.0154 1.06
OH1  .4891 .7063  .4557 3.16
Wat2 .8986 .3251  .1617 7.40